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Documentation: leds-lp5521,lp5523: update device attribute information
Now, all legacy application interfaces are restored.
Each driver documentation is updated.
Cc: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Documentation/leds/leds-lp5521.txt
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Documentation/leds/leds-lp5521.txt
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More details of the instructions can be found from the public data sheet.
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LP5521 has the internal program memory for running various LED patterns.
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For the details, please refer to 'firmware' section in leds-lp55xx.txt
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There are two ways to run LED patterns.
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1) Legacy interface - enginex_mode and enginex_load
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Control interface for the engines:
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x is 1 .. 3
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enginex_mode : disabled, load, run
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enginex_load : store program (visible only in engine load mode)
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Example (start to blink the channel 2 led):
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cd /sys/class/leds/lp5521:channel2/device
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echo "load" > engine3_mode
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echo "037f4d0003ff6000" > engine3_load
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echo "run" > engine3_mode
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To stop the engine:
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echo "disabled" > engine3_mode
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2) Firmware interface - LP55xx common interface
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For the details, please refer to 'firmware' section in leds-lp55xx.txt
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sysfs contains a selftest entry.
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The test communicates with the chip and checks that
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Documentation/leds/leds-lp5523.txt
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Documentation/leds/leds-lp5523.txt
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/sys/class/leds/lp5523:channelN (N: 0 ~ 8)
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LP5523 has the internal program memory for running various LED patterns.
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For the details, please refer to 'firmware' section in leds-lp55xx.txt
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There are two ways to run LED patterns.
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1) Legacy interface - enginex_mode, enginex_load and enginex_leds
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Control interface for the engines:
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x is 1 .. 3
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enginex_mode : disabled, load, run
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enginex_load : microcode load (visible only in load mode)
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enginex_leds : led mux control (visible only in load mode)
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cd /sys/class/leds/lp5523:channel2/device
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echo "load" > engine3_mode
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echo "9d80400004ff05ff437f0000" > engine3_load
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echo "111111111" > engine3_leds
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echo "run" > engine3_mode
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To stop the engine:
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echo "disabled" > engine3_mode
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2) Firmware interface - LP55xx common interface
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For the details, please refer to 'firmware' section in leds-lp55xx.txt
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Selftest uses always the current from the platform data.
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